Report: Some 1.3 million malicious ads served daily

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An estimated 1.3 million malicious advertisements, or malvertisements, are served to websites each day, according to data gathered by web security firm Dasient. Malvertisements are disguised as legitimate ads and delivered via ad  networks to well-known websites. Users can be hit simply by visiting the target website, as 59 percent of malvertisements aim to spread via drive-by download. About 41 percent of malvertisements propagate rogue anti-virus programs, according to Dasient. Additionally, users are twice as likely of getting infected by a malvertisement during the weekend, and the average lifespan of one is 7.3 days. — AM
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